Home / 99,776.44-149,688.78-36,601.48

Finding the Fourth Proportional to 99,776.44, 149,688.78 and 36,601.48

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Solution

The fourth proportional to 99,776.44, 149,688.78 and 36,601.48 is: 54,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776.44 : 149,688.78 = 36,601.48 : x
  2. Step 2: Convert to fraction form
    99,776.44/149,688.78 = 36,601.48/x
  3. Step 3: Cross multiply
    99,776.44x = 149,688.78 × 36,601.48
  4. Step 4: Simplify right side
    99,776.44x = 5,478,830,887.39
  5. Step 5: Solve for x
    x = 5,478,830,887.39/99,776.44
  6. Step 6: Final answer
    x = 54,911.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.